Wan
Heard in Mayo, Cork, Wexford, Longford, Waterford, Kildare, Dublin and Donegal
One's father / mother.
Yer good feenóg, but 'tis not off a stone ye licked it, yer boul feen was a legend.
You are a capable enough sort, but such brilliance does not fall far from the tree, for your esteemed father was quite the paragon.